What is the QCT File Extension?

QCT File Summary

File Extension QCT has three unique file types (with the primary being the Memory-Map Imported Map File format) and is mostly associated with Memory-Map Navigator (Memory-Map) and two other software programs.
These files can be categorized as GIS Files or Uncommon Files. In the majority of cases, these files will be GIS Files.

The QCT File Extension can be viewed on the Windows, Mac, and Android operating systems.
They are supported on both desktop and mobile devices.
The QCT File Extension carries a Popularity Rating of "Low", meaning that these files are
scarcely found
in most user's file stores.

To learn more about QCT files and their associated software applications, please see the information below. Plus, we provide a basic troubleshooting guide to solve problems with opening QCT files.

Low

File Type Popularity

3502

File Rank

/ 11690

Active

This file type is still current and actively used by developers and software applications. Although the original software of this designated file type might be eclipsed by newer version (eg. Excel 97 versus Office 365), this file type is still actively supported by the current software version. This process of interoperability with an older operating system or legacy software version is also known as "backwards compatibility".

Other QCT File Associations

.QCT

File Format:

.qct

File Type:

Quick Chart File Format

The QCT files are also related to Quick Chart raster image file format used to store maps with high resolution. The QCT files ideally contain maps to be displayed on handheld GPS units as well as portable devices like PDAs

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Troubleshooting Problems Opening QCT Files

Common Problems Opening QCT Files

Memory-Map Navigator is Not Installed

When you double-click your QCT file, you may see a dialog box from your operating system stating that it "Cannot Open This File Type". If this is the case, it's usually due to the fact that you do not have Memory-Map Navigator for %%os%% installed on your computer. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: If you know of another program that can open your QCT file, you can try opening it by selecting the application from the programs listed.

Wrong Version of Memory-Map Navigator is Installed

In some cases, you might have a newer (or older) version of a Memory-Map Imported Map File file that is unsupported by your installed application version. If you do not have the proper version Memory-Map Navigator (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. This problem is most common when you have an older version of the software application, and your file was created by a newer version that it cannot recognize.

Tip: Sometimes you can get a clue about the version of QCT file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).

Summary: In either case, the majority of problems opening QCT files are related to not having the correct software application installed on your computer.

Other Causes of QCT File Opening Problems

Although you might already have Memory-Map Navigator or another QCT-associated software installed on your computer, you can still encounter problems opening Memory-Map Imported Map File files. If you are still having problems opening QCT files, there may be other issues that are preventing you from opening these files. These other problems include (listed in order from most to least common):

Invalid QCT file references in the Windows Registry (the "phonebook" of the Windows Operating System)

Accidental deletion of the description of the QCT file in the Windows registry

Incomplete or bad installation of a software application associated with the QCT format

Device drivers of the hardware associated with your QCT file are corrupt or out-of-date

Your computer does not have the adequate system resources to open the Memory-Map Imported Map File format

Quiz: Which file extension is not a type of spreadsheet?

ODSPMVXESXLS

That's Correct!

An XES file is a type of Settings File, used to store program configuration details. Although it has "X" in the name, it is not a spreadsheet file.

Close, but not quite...

An XES file is a type of Settings File, used to store program configuration details. Although it has "X" in the name, it is not a spreadsheet file.

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How to Fix Problems Opening QCT Files

Step 1

Conduct a Malware Scan of Your QCT File

When an antivirus program is installed on the computer, it is capable of scanning all files on the computer, as well as each file individually. Each file can be scanned by right-clicking the file and choosing the option to scan the file for viruses.

For example, in this picture, we've highlighted the my-file.qct file and right-clicked the file to see the 'Scan with AVG' option in the file menu. When this option is selected, AVG Antivirus opens and scans that file for any viruses.

my-file.qct

Step 2

Reinstall Memory-Map Navigator

Occasionally you might experience a flawed software installation, which may be due to a problem encountered during the install process. This can prevent your operating system from associating your QCT file with the right software application, affecting what is known as "file extension associations".

Sometimes, simply reinstalling Memory-Map Navigator will solve your problem, properly associating your QCT with Memory-Map Navigator. Other times, poor software programming on behalf of the software developer can cause problems with file associations, and you may need to contact the developer for further assistance.

Tip: Try upgrading to the latest version of Memory-Map Navigator to ensure you have the latest patches and updates installed.

Step 3

Obtain Another Copy of Your QCT File

It may seem too obvious, but many times your QCT file itself might be the cause of the problem. If you received the file through an email attachment, or downloaded from a website and it was interrupted (e.g. power outage or other reason), it may have corrupted the file. If possible, try obtaining another fresh copy of your QCT file and attempt to open it again.

Caution: A corrupt file could also be collateral damage of a previous or existing malware infection on your PC, that's why it is essential that you keep an updated antivirus running on your computer at all times.

Step 4

Update Your Memory-Map-Related Hardware Device Drivers

If your QCT file is related to a piece of hardware on your computer, you might need to update your device drivers associated with that hardware in order to open it.

This problem is commonly related to multimedia file types that depend upon a piece of hardware inside of your computer to be successfully opened, such as a sound card or graphics card. For example, if you are trying to open an audio file, but failing to open it, you might need to update your sound card drivers.

Tip: If you are receiving an error message related to a .SYS file when attempting to open your QCT file, it's likely your problem is related to corrupt or outdated device drivers that need to be updated. Using a driver update software such as DriverDoc can help make this process much easier to complete.

Step 5

Close Other Applications Running

If all other steps fail, and you are still experiencing problems opening QCT files, it might be due to a lack of available system resources. Some versions of QCT files can require substantial resources (eg. Memory/RAM, processing power) to be properly opened by your computer. This is quite common if your computer hardware is older, and you are using a much newer operating system.

This issue can occur when your computer is having a hard time keeping up because the operating system (and other services running in the background) might be consuming too many resources for your QCT file to open. Try closing all applications on your PC before attempting to open your Memory-Map Imported Map File. Freeing up all of the available resources on your computer provides the best environment for attempting to open your QCT file.

Step 6

Upgrade Your Computer Hardware

If you've tried all of the steps above, and your QCT file still won't open, you might be due for a hardware upgrade. In most cases, even if you have older hardware, processing power is still more than adequate for most user's applications (unless you do a lot of CPU resource-intensive work such as 3D rendering, financial / scientific modeling, or intensive multimedia work). Therefore, it's likely that your computer is lacking the necessary amount of memory (more commonly referred to as "RAM", or random access memory) to complete the file opening task.

Try upgrading your memory to see if that helps you open your QCT file. These days, memory upgrades are quite affordable and very easy for even the casual computer user to install in their PC. As a bonus, you'll probably see a nice performance bump in other tasks carried out on your computer.